Add loading existing cars on page load. First part of #2

ac_cars.py

@@ -58,6 +58,47 @@ def get_car_image(car: str, skin: str) -> str:
         if "preview" in lower and lower.endswith(".png") or lower.endswith(".jpg"):
             return os.path.join(img_path, name)
     return ""
+
+def get_current_cars() -> list[dict]:
+    cars = []
+    entry_list_path = os.path.join(CONFIG_PATH, ENTRY_LIST_FILE)
+    if os.path.exists(entry_list_path) == False:
+        return cars
+    with open(entry_list_path, "r") as f:
+        lines = f.readlines()
+        current_car_entry = None
+        curent_model = ""
+        current_skin = ""
+        for line in lines:
+            line = line.strip()
+            if line.startswith("[CAR_"):
+                print(f"found new car entry line: {line}")
+                if current_car_entry is not None:
+                    # update previous car entry
+                    update_found_cars(cars, current_car_entry)
+                current_car_entry = {"car": "", "skin": "", "amount": 1}
+            elif line.startswith("MODEL="):
+                current_car_entry["car"] = line.replace("MODEL=", "").strip()
+            elif line.startswith("SKIN="):
+                current_car_entry["skin"] = line.replace("SKIN=", "").strip()
+                
+        if current_car_entry is not None:
+            # update last car entry because no new [CAR_] line at the end of the file
+            update_found_cars(cars, current_car_entry)
+    print(f"loaded current cars: {cars}")
+    return cars
+
+def update_found_cars(cars: list[dict], current_car_entry: dict) -> tuple[bool, str]:
+    found = False
+    for c in cars:
+        if c["car"] == current_car_entry["car"] and c["skin"] == current_car_entry["skin"]:
+            c["amount"] += 1
+            print(f"updated car: {c} with new amount {c['amount']}")
+            found = True
+            break
+    if not found:
+        cars.append(current_car_entry)
+        print(f"added car: {current_car_entry}")
     
 def update_cars(cars: list[dict]) -> tuple[bool, str]:
     print(f"handling car change for {cars}")